In living birds, the pygostyle is an attachment point for tail feathers.

在现存的鸟类中，尾椎骨是尾羽的附着点。

At the end of the tail, the last few vertebrae were fused together into a structure called a pygostyle.

在尾巴的末端，最后几节椎骨融合在一起形成一个称为尾椎骨的结构。